# Oust! vs Lausanne

The clearest difference is update cadence: Oust! at every 3 weeks against Lausanne's every 3 months. Oust! also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Oust! ships an update every 3 weeks, Lausanne every 3 months. The most recent releases landed on September 15, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Oust! | Lausanne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 58 MB | 31 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oust Sarl](https://appshunter.io/developer/1510010480) | [Ville de Lausanne](https://appshunter.io/developer/321096775) |

## What reviewers say

### Oust!

[App page](https://appshunter.io/ios/app/oust/id1480809301)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Lausanne

[App page](https://appshunter.io/ios/app/lausanne/id1542338780)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Oust! free?

Oust! is free to download, with no in-app purchases.

### Is Lausanne free?

Lausanne is free to download, with no in-app purchases.

### Do Oust! or Lausanne have ads?

Neither Oust! nor Lausanne shows ads.

### Which is updated more often, Oust! or Lausanne?

Oust! ships an update every 3 weeks, and Lausanne every 3 months. Most recently, Oust! was updated on September 15, 2026 and Lausanne on September 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*